The process to remove caffeine from coffee beans using water was first developed in Switzerland in the 1930s, but was only trademarked as the Swiss Water Process in the '80s by a company in Vancouver, British Columbia.
How to Grow Primrose Flower Plants. Primrose is a hardy perennial flower, that includes a wide range of varieties. Primrose is native to Asia, Europe, and North America. In North America, they originally were found from the Midwest to the Northwest areas of the U.S.
The common evening primrose is an erect annual or biennial herb with a large rosette, or radial cluster of leaves at the plant base. Each leaf is mid-green, lance-like, slightly sticky to the touch and has reddish veins.